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Pros

Pro

Direct connect

Pro

Secure

Messages are received from clients using secured (TLS or SSL) XMPP (jabber) protocol.

Pro

Network efficient

AstraChat is tuned to make very efficient use of the network connection and processor so you can be confident that it will use very little of your battery or data allowance.

Pro

Supports a lot of protocol

RFC-3920:Core

RFC-3921:Instant Messaging and Presence

XEP-0012 Last Activity

XEP-0016 Privact lists

XEP-0054 VCARD-temp

XEP-0085 Chat State Notifications

XEP-0153 vCard-Based Avatars

XEP-0172 User Nickname

XEP-0184 Message delivery receipts

XEP-0191 Blocking commands

XEP-0198 Stream Management

XEP-0199 XMPP Ping

XEP-0176: Jingle ICE-UDP

XEP-0136: Message Archiving

XEP-0045: Multi-User Chat

Cons

Con

No OTR service

Off-the-Record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations. Astrachat doesn't include this protocol, that it is often included in other XMPP services.